package com.tt.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.tt.reggie.common.BaseContext;
import com.tt.reggie.common.R;
import com.tt.reggie.entity.Employee;
import com.tt.reggie.service.EmployeeService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import java.time.LocalDateTime;

@Slf4j
@RestController
@RequestMapping("/employee")
public class EmployeeController {

    @Autowired
    private EmployeeService employeeService;


    /**
     * 员工登录
     * @param request
     * @param employee
     * @return
     */
    @PostMapping("/login")
    public R<Employee> login(HttpServletRequest request, @RequestBody Employee employee){
        String password = employee.getPassword();
        password = DigestUtils.md5DigestAsHex(password.getBytes());

        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(Employee :: getUsername,employee.getUsername());
        Employee emp = employeeService.getOne(queryWrapper);
        if(emp==null){
            return R.error("登录失败！");
        }
        if(!password.equals(emp.getPassword())){
            return R.error("登录失败！");
        }
        if(emp.getStatus()==0){
            return R.error("账号已禁用！");
        }

        request.getSession().setAttribute("employee",emp.getId());
        return R.success(emp);
    }

    /**
     * 员工退出
     * @param request
     * @return
     */
    @PostMapping("/logout")
    public R<String> logout(HttpServletRequest request){
        //清理session中保存的id
        request.getSession().removeAttribute("employee");
        return R.success("退出成功");
    }

    /**
     * 新增员工
     * @param employee
     * @return
     */
    @PostMapping()
    public R<String> save(@RequestBody Employee employee,HttpServletRequest request){
        //设置初始密码并进行md5加密处理
        employee.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));

//        employee.setCreateTime(LocalDateTime.now());
//        employee.setUpdateTime(LocalDateTime.now());

        Long empId = (Long) request.getSession().getAttribute("employee");
        BaseContext.setCurrentId(empId);

//        employee.setCreateUser(empId);
//        employee.setUpdateUser(empId);
        employeeService.save(employee);

        return R.success("新增员工成功");
    }

    /**
     * 员工信息分页查询
     *
     * @param page
     * @param pageSize
     * @param name
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize,String name){
        //分页构造器
        Page pageInfo = new Page(page,pageSize);

        //构造条件构造器
        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper<>();

        //添加过滤条件
        if(name!=null){
            queryWrapper.like(Employee::getName,name);
        }

        //添加排序条件
        queryWrapper.orderByDesc(Employee::getUpdateTime);

        //执行查询
        employeeService.page(pageInfo,queryWrapper);

        return R.success(pageInfo) ;
    }

    /**
     * 修改员工信息
     * @param employee
     * @return
     */

    @PutMapping
    public R<String> update(@RequestBody Employee employee,HttpServletRequest request){
        long empId = (long)request.getSession().getAttribute("employee");
        BaseContext.setCurrentId(empId);


//        employee.setUpdateUser(empId);
//        employee.setUpdateTime(LocalDateTime.now());

        employeeService.updateById(employee);

        return R.success("员工信息修改成功");
    }


    @GetMapping("/{id}")
    public R<Employee> getById(@PathVariable long id){
        Employee byId = employeeService.getById(id);
        if(byId==null){
            return R.error("没有查询到对应员工的信息");
        }

        return R.success(byId);
    }




}
